package com.lei.controller;

import com.lei.dto.Exposer;
import com.lei.dto.SeckillExecution;
import com.lei.dto.SeckillResult;
import com.lei.entity.Seckill;
import com.lei.enums.SeckillStatEnum;
import com.lei.exception.RepeatKillException;
import com.lei.exception.SeckillCloseException;
import com.lei.exception.SeckillException;
import com.lei.service.SeckillService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.*;

import java.util.Date;
import java.util.List;
//Controller，意思是把当前的controller放到spring的容器中
@Controller
@RequestMapping("/seckill")
public class SeckillController {
    private  final Logger logger= LoggerFactory.getLogger(this.getClass());

    @Autowired
    private SeckillService seckillService;

    @RequestMapping(value="list",method = RequestMethod.GET)
    public String list(Model model){
        //model    list.jsp +model =ModelAndView
        //获取列表页
        List<Seckill> list=seckillService.getSeckillList();
        model.addAttribute("list",list);
        //list.jsp  + model =ModelAndView
        return "list";
    }

    @RequestMapping(value = "/{seckillId}/detail",method = RequestMethod.GET)
    public String detail(@PathVariable("seckillId")Long seckillId, Model model){
        if(seckillId==null){
            return "redirect:/seckill/list";
        }
        Seckill seckill=seckillService.getById(seckillId);
        if(seckill==null){
            return "forword:/seckill/list";
        }
        model.addAttribute("seckill",seckill);
        return "detail";
    }

    //ajax  json
    @RequestMapping(value = "/{seckillId}/exposer",
            method = RequestMethod.POST,
        produces = {"application/json;charset=UTF-8"})
    @ResponseBody //返回数据类型是json
    public SeckillResult<Exposer>  exposer(@PathVariable Long seckillId){
        SeckillResult<Exposer> result;
        try {
            Exposer exposer = seckillService.exportSeckillUrl(seckillId);
            result = new SeckillResult<Exposer>(true, exposer);
        }catch (Exception e){
            logger.error(e.getMessage(),e);
            result=new SeckillResult<Exposer>(false,e.getMessage());
        }

        return  result;
    }

    @RequestMapping(value = "/{seckillId}/{md5}/execution",
    method = RequestMethod.POST,
    produces = {"application/json;charset=UTF-8"})
    @ResponseBody
    public SeckillResult<SeckillExecution> execute(@PathVariable("seckillId") Long seckillId,
                                                    @PathVariable("md5") String md5,
                                                    @CookieValue(value = "killPhone",required = false) Long phone){
        //springmvc valid
        if(phone==null){
            return new SeckillResult<SeckillExecution>(false,"未注册");
        }
        SeckillResult<SeckillExecution> result;
        try{
            SeckillExecution execution=seckillService.executeSeckill(seckillId,phone,md5);
            return new SeckillResult<SeckillExecution>(true,execution);

        }catch (RepeatKillException e){
            SeckillExecution execution=new SeckillExecution(seckillId, SeckillStatEnum.REPEAT_KILL);
            return new SeckillResult<SeckillExecution>(true,execution);
        }catch (SeckillCloseException e){
            SeckillExecution execution=new SeckillExecution(seckillId, SeckillStatEnum.END);
            return new SeckillResult<SeckillExecution>(true,execution);
        }catch (Exception e){
            logger.error(e.getMessage(),e);
            SeckillExecution execution=new SeckillExecution(seckillId, SeckillStatEnum.INNER_ERROR);
            return new SeckillResult<SeckillExecution>(true,execution);
        }

    }

    @RequestMapping(value = "/time/now",method = RequestMethod.GET)
    @ResponseBody
    public SeckillResult<Long> time(){
        Date now =new Date();
        return new SeckillResult(true,now.getTime());
    }
}
